Dai Gyakusatsu wo Hikiokosu Last Boss, Wakiyaku no Watashi ga Shiawase ni Shimasu! 
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Description
The Last Boss Who Causes a Great Massacre— In the world I was reincarnated into, my favorite character's life held tragedies that were never depicted in the game? This is the love story of a supporting noble lady who cherishes and protects her favorite character and a once-lonely former final boss who gradually opens his heart to her actions.
Type
Manga
Related Series
N/A
Associated Names
The Final Boss Who Triggers Massacres, I'll Make You Happy as a Supporting Character!
The Last Boss Who Causes a Great Massacre
大虐殺を引き起こすラスボス、脇役の私が幸せにします!
大虐殺を引き起こすラスボス、脇役の私が幸せにします！
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Latest Release(s)
c.45 by Ezmanga 3 months ago
Search for all releases of this seriesStatus in Country of Origin
56 Chapters (Complete)
Completely Scanlated?
No
Anime Start/End Chapter
N/A
User Reviews
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Forum
0 topics, 0 posts
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Average: 7 / 10.0 (1 votes)
Bayesian Average: 6.27 / 10.0
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Last Updated
September 15th, 2025 7:20pm PDT - 1 month ago
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Genre
Categories
Category Recommendations
Recommendations
N/A
Author(s)
Artist(s)
Studio GANMA! [Add]
Year
Original Publisher
Serialized In (magazine)
Ganma! (ComicSmart)
Licensed (in English)
No
English Publisher
N/A
Activity Stats (vs. other series)
Weekly Pos #745 
(-72)
(-72)Monthly Pos #2026 (No change)
3 Month Pos #3625 (-322)
(-322)6 Month Pos #5329 (-367)
(-367)Year Pos #7129 (-349)
(-349)List Stats
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